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Round|Natural|GIA

1.09ct H FL Round Natural Diamond

EX • H/FL • GIA 7508854380

Certificate GIA 7508854380

Diamond specifications and retailer prices

From £3,649 GBP
As of November 5, 2026
Save £3,010 GBP (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £6,659 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7508854380. Listed at 7 retailers as of November 5, 2026, with prices from £3,649 to £6,659, a £3,010 spread on the same certified stone. NZ Jewellers lists it at £6,659. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
H
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7508854380
Dimensions6.50 × 6.55 × 4.13 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.50 mm6.55 mm1.09 ctH / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7508854380
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £6,659 GBP|Low: £2,911 GBP|High: £6,659 GBP|Avg: £4,799 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6£3,649 GBP
Retailer 5£3,675 GBP
Retailer 3£4,278 GBP
Retailer 2£4,346 GBP
Retailer 4£6,342 GBP
NZ Jewellers£6,659 GBP

25 data points across 6 retailers

7 retailers£3,649 GBP to £6,659 GBP

B+
Cheapest Retailer
-
£3,649 GBP
B+
Retailer 2
-
£3,675 GBP
View
Final sale: no returns
B+
Retailer 3
-
£4,278 GBP
View
B+
Retailer 4
-
£4,346 GBP
View
B
Retailer 5
-
£6,338 GBP
View
B
Retailer 6
-
£6,342 GBP
View
Most Expensive
B
NZ Jewellers
94b9a2e1-45c5-4287-8107-ff1438ce8e36 · Nov 5
£6,659 GBP
$8,990 USD
View
6 more retailers have this diamond
Prices start from £3,649 GBPSave up to £3,010 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.09ct Round
£3,649 GBP